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Precompensated second order repetitive control of an active filter under varying network frequency

Author
Ramos, G.A.; Costa-Castelló, R.; Olm, Josep M.
Type of activity
Journal article
Journal
Asian journal of control
Date of publication
2015-07-01
Volume
17
Number
4
First page
1243
Last page
1254
DOI
https://doi.org/10.1002/asjc.971 Open in new window
Project funding
Técnicas de control avanzado para la mejora de la operación de convertidores vsi conectados a la red eléctrica
Repository
http://hdl.handle.net/2117/81931 Open in new window
Abstract
Network frequency variations cause a dramatic performance decay in repetitive controller-based shunt active power filters. This problem may be solved by adapting the sampling period in order to keep the ratio between the network period and the sampling period at a constant value. However, these changes may yield closed-loop instability. The introduction of a precompensator that forces the plant to remain invariant despite sampling rate changes allows the use of standard LTI methods in control de...
Citation
Ramos, G.A., Costa-Castelló, R., Olm, Josep M. Precompensated Second Order Repetitive Control of an Active Filter Under Varying Network Frequency. "Asian journal of control", 01 Juliol 2015, vol. 17, núm. 4, p. 1243-1254.
Keywords
Active filters, disturbances, internal-model principle, period, repetitive control, selective harmonic compensation, systems, time, varying network frequency
Group of research
ACES - Advanced Control of Energy Systems
CS2AC-UPC - Supervision, Safety and Automatic Control
SAC - Advanced Control Systems

Participants

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